Anti skid chain unit for vehicle tires



FIG. 1 is a top perspective view of an anti skid chain unit for vehicle tires showing my new design;

FIG. 2 is an enlarged rear elevation view of the hub member of the chain unit shown separately for clarity of illustration;

FIG. 3 is a top perspective view of the chain ring of the chain unit shown separately for clarity of illustration;

FIG. 4 is a front elevation view of FIG. 2;

FIG. 5 is a bottom perspective view of FIG. 1; and

FIG. 6 is a bottom perspective view of FIG. 3. 

The ornamental design for an anti skid chain unit for vehicle tires, as shown and described. 